Rock crusher anvil



FIG. 1 is a perspective view of a rock crusher anvil showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The ornamental design for rock crusher anvil, as shown and described.